代码如下：
#import <AVFoundation/AVFoundation.h>
#define kLabelNumber4
@interfaceViewController()
/**
*滚动视图
*/
@property(nonatomic,strong)UIScrollView* scrollView;
/**
*翻页控件
*/
@property(nonatomic,strong)UIPageControl* pageControl;
/**
*定时器
*/
@property(nonatomic,strong)NSTimer* timer;
/**
*显示的文字label
*/
@property(nonatomic,strong)UILabel* label;
/**
*label.text的相关数据
*/
@property(nonatomic,strong)NSArray* labelArray;
@property(nonatomic,strong)UIImageView* imageView;
/**
*播放音频
*/
@property(nonatomic,strong)AVAudioSession*avaudioSession;
@property(nonatomic,strong)AVPlayer* player;
@end
@implementationViewController
- (UIImageView*)imageView
{
if(!_imageView) {
_imageView= [[UIImageViewalloc]init];
CGRectiFrame =CGRectZero;
iFrame.origin.x=self.view.center.x-50;
iFrame.origin.y=self.view.center.y-100;
iFrame.size=CGSizeMake(100,80);
_imageView.frame= iFrame;
_imageView.image= [UIImageimageNamed:@"keep6plus@3x"];
[self.viewinsertSubview:_imageViewaboveSubview:self.scrollView];
}
return_imageView;
}
- (UILabel*)label
{
if(!_label) {
self.labelArray=@[@"每个动作都精确规范",@"规划陪伴你的训练过程",@"分享汗水后你的性感",@"全程记录你的健身数据"];
for(inti =0; i
_label= [[UILabelalloc]init];
CGRectiFrame =CGRectZero;
iFrame.origin=CGPointMake(i *self.scrollView.bounds.size.width,self.scrollView.bounds.size.height/4*3);
iFrame.size=CGSizeMake(self.view.bounds.size.width,50);
_label.frame= iFrame;
_label.text=self.labelArray[i];
_label.font= [UIFontsystemFontOfSize:22];
_label.textColor= [UIColorwhiteColor];
_label.textAlignment=NSTextAlignmentCenter;
[self.scrollViewaddSubview:_label];
}
}
return_label;
}
- (NSTimer*)timer
{
if(!_timer) {
_timer= [[NSTimeralloc]init];
}
return_timer;
}
#pragma mark---------------------图片轮播
- (UIPageControl*)pageControl
{
if(!_pageControl) {
_pageControl= [[UIPageControlalloc]initWithFrame:CGRectMake(0,self.scrollView.bounds.size.height-150,self.view.bounds.size.width,30)];
_pageControl.numberOfPages=kLabelNumber;
_pageControl.pageIndicatorTintColor= [UIColorblackColor];
_pageControl.currentPageIndicatorTintColor= [UIColorredColor];
_pageControl.userInteractionEnabled=NO;
[self.viewaddSubview:_pageControl];
}
return_pageControl;
}
//创建滚动视图
- (UIScrollView*)scrollView
{
if(!_scrollView) {
_scrollView= [[UIScrollViewalloc]init];
_scrollView.frame=self.view.bounds;
_scrollView.delegate=self;
_scrollView.contentSize=CGSizeMake(kLabelNumber*_scrollView.bounds.size.width,_scrollView.bounds.size.height);
_scrollView.bounces=NO;
_scrollView.pagingEnabled=YES;
_scrollView.showsHorizontalScrollIndicator=NO;
[self.viewinsertSubview:_scrollViewatIndex:0];
}return_scrollView;
}
- (void)viewDidLoad {
[superviewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
//self.headerImageView.hidden = NO;
self.scrollView.hidden=NO;
self.pageControl.hidden=NO;
self.label.hidden=NO;
self.imageView.hidden=NO;
[selfloadTimer];
/**
*设置其他音乐软件播放的音乐不被打断
*/
self.avaudioSession= [AVAudioSessionsharedInstance];
NSError*error =nil;
[self.avaudioSessionsetCategory:AVAudioSessionCategoryAmbienterror:&error];
//播放视频
NSString*filePath = [[NSBundlemainBundle]pathForResource:@"1.mp4"ofType:nil];
NSURL*sourceMovieURL = [NSURLfileURLWithPath:filePath];
AVAsset*movieAsset = [AVURLAssetURLAssetWithURL:sourceMovieURLoptions:nil];
AVPlayerItem*playerItem = [AVPlayerItemplayerItemWithAsset:movieAsset];
AVPlayer*player = [AVPlayerplayerWithPlayerItem:playerItem];
AVPlayerLayer*playerLayer = [AVPlayerLayerplayerLayerWithPlayer:player];
playerLayer.frame=self.view.layer.bounds;
playerLayer.videoGravity=AVLayerVideoGravityResizeAspect;
[self.view.layerinsertSublayer:playerLayeratIndex:0];
self.player= player;
[playerplay];
//注册通知
[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(runLoopTheMovie:)name:AVPlayerItemDidPlayToEndTimeNotificationobject:nil];
}
#pragma mark------------------------------------循环播放
- (void)runLoopTheMovie:(NSNotification*)n{
//注册的通知可以自动把AVPlayerItem对象传过来，只要接收一下就OK
AVPlayerItem* p = [nobject];
//关键代码（从0开始）
[pseekToTime:kCMTimeZero];
[self.playerplay];
NSLog(@"重播");
}
#pragma mark----------------------------无限轮播图片
//加载定时器
- (void)loadTimer{
//设置定时器,使其1秒钟切换一次,且不断重复切换(repeats:YES)
self.timer=[NSTimerscheduledTimerWithTimeInterval:5target:selfselector:@selector(pageChanged:)userInfo:nilrepeats:YES];
//取得主循环
NSRunLoop*mainLoop=[NSRunLoopmainRunLoop];
//将其添加到运行循环中(监听滚动模式)
[mainLoopaddTimer:self.timerforMode:NSRunLoopCommonModes];
}
//当页码发生改变的时候调用
- (void)pageChanged:(id)sender{
//获取当前页面的索引
NSIntegercurrentPage=self.pageControl.currentPage;
//获取偏移量
CGPointoffset=self.scrollView.contentOffset;
//
if(currentPage >=kLabelNumber-1) {
//将其设置首张图片的索引
currentPage=0;
//恢复偏移量
offset.x=0;
//DDLogVerbose(@"offset%f",offset.x);
}else{
//当前索引+1
currentPage ++;
//设置偏移量
offset.x+=self.scrollView.bounds.size.width;
//DDLogVerbose(@"offset.x====%f",offset.x);
}
//设置当前页
self.pageControl.currentPage=currentPage;
//设置偏移后的位置加上动画过度
[self.scrollViewsetContentOffset:offsetanimated:NO];
}
#pragma mark ---------UIScrollViewDelegate协议
- (void)scrollViewDidScroll:(UIScrollView*)scrollView
{
//round函数功能是四舍五入,超过父视图的宽度的一半实现翻页功能
intindex =round(scrollView.contentOffset.x/self.view.bounds.size.width);
self.pageControl.currentPage= index;
}
//设置代理方法,当开始拖拽的时候,让计时器停止
- (void)scrollViewWillBeginDragging:(UIScrollView*)scrollView{
//使定时器失效
[self.timerinvalidate];
}
//设置代理方法,当拖拽结束的时候,调用计时器,让其继续自动滚动
- (void)scrollViewDidEndDragging:(UIScrollView*)scrollView willDecelerate:(BOOL)decelerate{
//重新启动定时器
[selfloadTimer];
}
//ios以后隐藏状态栏
-(BOOL)prefersStatusBarHidden{
returnYES;
}
- (UIStatusBarStyle)preferredStatusBarStyle
{
returnUIStatusBarStyleLightContent;
}
@end
